Dominate the dirt, gravel, or mud in your 2020-2025 Chevy/GMC 3.0L Duramax with Differential Carriers & Lockers. Increase traction with products like limited slip differentials, lockers, spools, and rebuild your axles with empty carrier cases, and many more products. Find model-specific components offered for your 1/2-ton, 3/4-ton, or 1-ton truck. Industry leading brands like Yukon Gear & Axle, USA Standard Gear, and Nitro Gear & Axle are available.